High degree of heterogeneity of future optical networks, stemming from provisioning of services with different quality-of-transmission requirements, and transmission links employing mixed modulation… (More)

The ICT (Information and Communication Technology) sector has recently been identified as a growing contributor to worldwide greenhouse gases emissions and power consumption. This has triggered… (More)

The application of OTN switching on top of a WDM layer is evaluated in terms of energy and spectral efficiency (SE). Significant improvements in energy-efficiency-per-GHz and SE are demonstrated with… (More)